EP1384407B1 - Bread maker and control method thereof - Google Patents

Bread maker and control method thereof Download PDF

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Publication number
EP1384407B1
EP1384407B1 EP03251859A EP03251859A EP1384407B1 EP 1384407 B1 EP1384407 B1 EP 1384407B1 EP 03251859 A EP03251859 A EP 03251859A EP 03251859 A EP03251859 A EP 03251859A EP 1384407 B1 EP1384407 B1 EP 1384407B1
Authority
EP
European Patent Office
Prior art keywords
kneading
disk
drum
rotation
drums
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03251859A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1384407A1 (en
Inventor
Yong-Hyun Kwon
Dong-Bin Lim
Jang-Woo Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of EP1384407A1 publication Critical patent/EP1384407A1/en
Application granted granted Critical
Publication of EP1384407B1 publication Critical patent/EP1384407B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B1/00—Bakers' ovens
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B7/00—Baking plants
    • A21B7/005—Baking plants in combination with mixing or kneading devices

Definitions

  • the present invention relates to bread makers for automatically making baked bread and to methods of controlling bread makers.
  • making bread is so complicated that it is difficult for average persons to make good bread at home by hand. This is because the process of making bread includes multiple steps of mixing ingredients such as flour, sugar, yeast, etc., to form a dough; kneading the dough; leavening the dough; baking the dough; and so on. Therefore, various bread makers have been developed to allow a user to easily make bread by automatically performing the foregoing multiple steps to provide finished bread to the user.
  • ingredients such as flour, sugar, yeast, etc.
  • a bread maker disclosed in Korean Patent Publication No.KR-A-1991-10203 includes a pair of parallel kneading drums at upper and lower parts of an oven compartment that reverse rotary direction periodically, a baking tray between the pair of kneading drums, a heater to heat the inside of the oven compartment, a bar code scanner, etc.
  • the mixing bag After completing the kneading of the dough, the mixing bag is automatically separated from the upper kneading drum, and is completely wound on the lower kneading drum, with the dough being squeezed out of the mixing bag into the baking tray. Thereafter, the heater heats the inside of the oven compartment, thereby leavening and baking the dough for a predetermined period of time.
  • the process of making the bread depends on reading a bar code that is printed on the mixing bag.
  • the bar code contains information on kneading time, leavening time, baking time, etc., according to a specific recipe.
  • the bar code is read by a bar code scanner and the read data are transmitted to a controller that controls the kneading drums, the heater, etc., on the basis of the read data.
  • US 5, 947, 009 describes: an automatic baking apparatus for baking food products from dough having upper and lower holding devices to be affixed to either end of a flexibly, sealable mixbag which mixbag contains ingredients for dough.
  • a dough preparation and baking station having a slit at the top and bottom portions. Kneading devices for mechanically working the ingredients in the mixbag. Devices for creating relative reciprocating movement between the mixbag and the slit openings and heating means in at least a portion of the dough preparation and banking station so as to bake the kneaded ingredients.
  • the kneading devices situated in the top and bottom portions of the apparatus, the top and bottom slits are each formed by a set of two adjacent members.
  • Each member has a kneading surface defining the slit between each set and through which slit the mixbag passes.
  • Each kneading surface being part of a support structure which is resilient and each support structure being attached to each respective member. At least one of the members being movable relative to the other member in each set.
  • the rotation sensing part includes a disk part rotating with the kneading drum for which the rotation sensing part determines the rotation rate, the disk part having at least one projection radially extending from a circumference thereof; and a disk sensor emitting a light toward the disk part and outputting a pulse signal according to interruption of the light by rotation of the at least one projection of the disk part.
  • the disk part includes a first disk having a single projection; and a second disk having a plurality of projections along a circumference thereof at regular intervals.
  • the disk sensor comprises a light emitting part and a light receiving part facing each other with the disk part therebetween, the disk sensor outputting a pulse signal when the at least one projection of the disk part interrupts light emitted from the light emitting part to the light receiving part.
  • a method of controlling a bread maker having an oven compartment, a pair of kneading drums spaced apart from each other inside the oven compartment and each kneading drum having a holding part holding opposite ends of a mixing bag filled with dough, and a drum driving part rotating the kneading drums in clockwise and counterclockwise directions to knead the dough contained in the mixing bag, the method comprising rotating the kneading drums in a same direction to thereby separate the mixing bag from the holding part of a first one of the kneading drums and wind the mixing bag on a second one of the kneading drums after completion of kneading the dough; and rotating the second one of the kneading drums in a releasing direction opposite the winding direction to unwind the mixing bag from the second one of the kneading drums, wherein the bread maker further comprises
  • the bread maker includes a disk part rotating with one of the kneading drums and having a plurality of projections around a circumference thereof at regular intervals; and a disk sensor outputting a pulse signal according to interruption, by the projections of the disk part, of light emitted toward the disk part.
  • Rotation of the kneading drums is suitably based upon the pulse signal output by the disk sensor.
  • a bread maker includes a main body 1 divided into an oven compartment 10 and an electric component compartment 20, a door 3 in the front of the main body 1 to open and close a front opening of the oven compartment 10, and a control panel 5 in the front of the main body 1 to allow a user to control the bread maker and to know the status of the bread maker.
  • upper and lower kneading drums 11 and 13 are provided in parallel and have a plurality of holding projections 12, onto which opposite ends 8 of a mixing bag 7 (refer to Figure 4) filled with raw materials (ingredients) for bread are attached and wound.
  • a baking tray 15 which contains the dough for baking, is provided between the upper and lower kneading drums 11 and 13.
  • the baking tray 15 includes first and second trays 15a and 15b having "L"-shaped cross sections symmetrical to one another.
  • the first and second trays 15a and 15b combine to form a box having a top opening.
  • a pair of squeezing members 17 between the upper kneading drum 11 and the baking tray 15 prevents the dough kneaded in the mixing bag 7 from moving beyond the baking tray 15 toward the upper kneading drum 11.
  • At upper and lower parts of the inside walls of the oven compartment 10 and the door 3 are heaters 19 for heating the inside of the oven compartment 10.
  • the electric component compartment 20 includes a first component compartment 21 beside the oven compartment 10 and a second component compartment 23 behind the oven compartment 10. Inside the first component compartment 21 is a drum driving part 25 rotating the upper and lower kneading drums 11 and 13 in clockwise and counter clockwise directions. Inside the second component compartment 23 is a bar code scanner 29 that reads a bar code 9 printed on, or applied to, the mixing bag 7, which is wound on the upper and lower kneading drums 11 and 13.
  • the drum driving part 25 includes a motor 26 rotating the lower kneading drum 13, and a belt 27 transmitting a rotary movement of the lower kneading drum 13 to a rotation shaft 28 of the upper kneading drum 11.
  • the bar code scanner 29 is able to move near to, and distantly from, an outer circumference of the upper kneading drum 11.
  • a rotation sensing part 40 senses rotation of at least one of the upper and lower kneading drums 11 and 13, and a controller 70 (described below) stops the drum driving part 25 when a pulse signal output from the rotation sensing part 40 is greater than a predetermined allowable pulse width.
  • the rotation sensing part 40 includes a disk part 41 attached to the rotation shaft 28 of the upper kneading drum 11, and a rotation sensor 61 placed near the disk part 41, which outputs a pulse signal by sensing the rotation of the disk part 41.
  • the disk part 41 includes a first disk 36 that allows the rotation sensor 61 to sense one revolution of the upper kneading drum 11, and a second disk 37 that allows the rotation sensor 61 to sense a rotation less than one revolution of the upper kneading drum 11.
  • the first disk 36 is a circular plate 43, which is separated from the second disk 37 by a cylindrical part 52 and connected to the rotation shaft 28 of the upper kneading drum 11 using a washer 54 and a bolt 56.
  • the circular plate 43 has one projection 44 radially extended therefrom. Hence, the first disk 36 rotates with the upper kneading drum 11 and allows the rotation sensor 61 to sense one revolution of the upper kneading drum 11.
  • the second disk 37 includes a circular plate 47 formed with a shaft combining hole 46 to attach the second disk 37 to the rotation shaft 28 of the upper kneading drum 11.
  • the circular plate 47 has a plurality of slots 49 along the circumference thereof at regular intervals, forming a plurality of projections 48.
  • the second disk 37 has twenty-four slots 49, forming twenty-four projections 48.
  • the second disk 37 rotates with the upper kneading drum 11 and allows the rotation sensor 61 to sense a rotation of the upper kneading drum 11 that is less than one revolution.
  • the rotation sensor 61 includes a first disk sensor 63 sensing the projection 44 of the first disk 36 and outputting one pulse signal per revolution of the upper kneading drum 11.
  • the rotation sensor 61 also includes a second disk sensor 65 sensing the twenty-four projections 48 of the second disk 37 and outputting twenty-four pulse signals per revolution of the upper kneading drum 11. That is, when the upper kneading drum 11 makes one revolution, the first and second disk sensors 63 and 65 output one and twenty-four pulse signals, respectively.
  • the first and second disk sensors 63 and 65 include pulse generators having light emitting parts 63a and 65a, each emitting a sensing signal such as infrared rays toward the first and second disks 36 and 37.
  • Light receiving parts 63b and 65b each face the light emitting parts 63a and 65a with the first and second disks 36 and 37 positioned therebetween, and receive the light emitted from the light emitting parts 63a and 65a, respectively.
  • the first disk sensor 63 senses when the projection 44 of the first disk 36 interrupts the light emitted from the light emitting part 63a toward the light receiving part 63b, thereby outputting one pulse signal per revolution of the upper kneading drum 11.
  • the second disk sensor 65 senses when the twenty-four projections 48 of the second disk 37 interrupt the light emitted from the light emitting part 65a toward the light receiving part 65b, thereby outputting twenty-four pulse signals per revolution of the upper kneading drum 11.
  • the rotation sensor 61 transmits the pulse signals output from the first and second disk sensors 63 and 65 to the controller 70, and the controller 70 determines a rotation rate of the upper kneading drum 11 on the basis of the output pulse signals.
  • the controller 70 controls the motor 26 of the drum driving part 25 to rotate the upper and lower kneading drums 11 and 13 according to the determined rotation rate, thereby controlling reciprocation of the mixing bag 7.
  • the bread maker includes the first and second disk sensors 63 and 65 sensing the rotation of the first and second disks 36 and 37.
  • the controller 70 receives the pulse signals output from the first and second disk sensors 63 and 65 and stops the motor 26 when the received pulse signals are greater than a predetermined allowable pulse width.
  • the controller 70 controls the upper and lower kneading drums 11 and 13 on the basis of bar code data read by the bar code scanner 29, thereby kneading the dough contained in the mixing bag 7. After kneading the dough, the controller 70 controls the upper and lower kneading drums 11 and 13 to rotate in the same direction, so that the mixing bag 7 is separated from the upper kneading drum 11 and is completely wound on the lower kneading drum 13.
  • the controller 70 controls the lower kneading drum 13 to make several turns in a releasing direction that is opposite the winding direction, thereby partially unwinding the mixing bag 7 from the lower kneading drum 13, as shown in Figure 7.
  • the mixing bag 7 When the lower kneading drum 13 makes several turns in the releasing direction, the mixing bag 7 is partially unwound from the lower kneading drum 13, with the free end of the mixing bag 7 being supported by a supporting part (not shown) formed on an internal component such as the baking tray 15. Therefore, as shown in Figure 7, the mixing bag 7 appears to be partially wound in one direction and then loosely wound in the opposite direction.
  • the controller 70 controls the turns and the rotation angle of the lower kneading drum 13 on the basis of the pulse signals output from the first and second disk sensors 63 and 65.
  • the bread maker according to the embodiment of the present invention is controlled as follows.
  • the mixing bag 7 is caught in, or attached to, the upper and lower kneading drums 11 and 13 (S1).
  • the upper and lower kneading drums 11 and 13 are rotated according to the instructions contained in the bar code printed on, or applied to, the mixing bag 7, thereby kneading the dough contained in the mixing bag 7 (S3).
  • the dough is completely kneaded (S5), the upper and lower kneading drums 11 and 13 are rotated in the same direction (S7).
  • the mixing bag 7 is separated from the upper kneading drum 11 and is completely wound on the lower kneading drum 13, with the dough being squeezed out of the mixing bag 7 and into the baking tray 15.
  • the controller 70 controls the lower kneading drum 13 to make several turns in the releasing direction that is opposite the winding direction (S11), thereby partially unwinding the mixing bag 7 from the lower kneading drum 13 (S13). Thereafter, a user easily removes the mixing bag 7 from the lower kneading drum 13.
  • the lower kneading drum 13 makes several turns in the releasing direction after the mixing bag 7 has been completely wound on the lower kneading drum 13, so that a user can easily remove the mixing bag 7 from the lower kneading drum 13.
  • preferred embodiments of the present invention provide a bread maker and a control method thereof, in which a mixing bag is easily removed after kneading the dough.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Food-Manufacturing Devices (AREA)
  • Baking, Grill, Roasting (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
EP03251859A 2002-07-19 2003-03-25 Bread maker and control method thereof Expired - Lifetime EP1384407B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2002-0042587A KR100465800B1 (ko) 2002-07-19 2002-07-19 제빵기 및 그 제어방법
KR2002042587 2002-07-19

Publications (2)

Publication Number Publication Date
EP1384407A1 EP1384407A1 (en) 2004-01-28
EP1384407B1 true EP1384407B1 (en) 2007-03-21

Family

ID=29997523

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03251859A Expired - Lifetime EP1384407B1 (en) 2002-07-19 2003-03-25 Bread maker and control method thereof

Country Status (6)

Country Link
US (1) US7168362B2 (zh)
EP (1) EP1384407B1 (zh)
JP (1) JP3634836B2 (zh)
KR (1) KR100465800B1 (zh)
CN (1) CN1228016C (zh)
DE (1) DE60312606T2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040008869A (ko) 2002-07-19 2004-01-31 삼성전자주식회사 제빵기 및 그 제어방법
TW201138695A (en) * 2010-01-15 2011-11-16 Sanyo Electric Co Automatic bread maker
CN113940559B (zh) * 2020-07-17 2023-06-30 广东美的生活电器制造有限公司 烘烤装置、食品加工机以及食物制作方法

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Also Published As

Publication number Publication date
US7168362B2 (en) 2007-01-30
US20040011209A1 (en) 2004-01-22
CN1468538A (zh) 2004-01-21
JP2004049874A (ja) 2004-02-19
CN1228016C (zh) 2005-11-23
JP3634836B2 (ja) 2005-03-30
DE60312606T2 (de) 2007-11-29
KR100465800B1 (ko) 2005-01-13
EP1384407A1 (en) 2004-01-28
KR20040008862A (ko) 2004-01-31
DE60312606D1 (de) 2007-05-03

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